Home / 78,977,717.47-118,369,549.21-44,361,353.22

Finding the Fourth Proportional to 78,977,717.47, 118,369,549.21 and 44,361,353.22

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Solution

The fourth proportional to 78,977,717.47, 118,369,549.21 and 44,361,353.22 is: 66,487,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,977,717.47 : 118,369,549.21 = 44,361,353.22 : x
  2. Step 2: Convert to fraction form
    78,977,717.47/118,369,549.21 = 44,361,353.22/x
  3. Step 3: Cross multiply
    78,977,717.47x = 118,369,549.21 × 44,361,353.22
  4. Step 4: Simplify right side
    78,977,717.47x = 5,251,033,382,996,982
  5. Step 5: Solve for x
    x = 5,251,033,382,996,982/78,977,717.47
  6. Step 6: Final answer
    x = 66,487,530.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.